773740240 has 160 divisors (see below), whose sum is σ = 2310852096. Its totient is φ = 234178560.

The previous prime is 773740207. The next prime is 773740241. The reversal of 773740240 is 42047377.

It is a happy number.

773740240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 773740196 and 773740205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773740241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165130 + ... + 169750.

Almost surely, 2^773740240 is an apocalyptic number.

773740240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 773740240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1155426048).

773740240 is an abundant number, since it is smaller than the sum of its proper divisors (1537111856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

773740240 is a wasteful number, since it uses less digits than its factorization.

773740240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4677 (or 4671 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 773740240 is about 27816.1866545362. The cubic root of 773740240 is about 918.0473076343.

The spelling of 773740240 in words is "seven hundred seventy-three million, seven hundred forty thousand, two hundred forty".